[packages] add libopus 1.1

new package

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
[packages] import libogg

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
[packages] libogg: add myself as maintainer

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>